As you become more confident you may later decide to perform an installation. Start with a frugal installation. At a later date you may perform a full installation. You will need the Puppy Linux Live CD or DVD created earlier so as to install a boot loader. Without a boot loader one does not have an operating system. If your machine does not have an optical disc drive, start off by using someone else's.

If you really must insist on not creating a Puppy Linux Live DVD, then you will have to follow this procedure which involves more effort: Installing without a Live DVD